US3333518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal coating machine
Assignee: Paxton Mitchell Co
•
Filing: 1964-09-21
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Granted: 1967-08-01
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Sholl
- 👤 Richard L Sturges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:02
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
APPARATUS FOR MAKING A SEAL COAT COMPRISING IN COMBINATION: A PORTABLE MACHINE; A PUG MILL MOUNTED ON SAID MACHINE; A FIRST HOPPER FOR HOLDING AN AGGREGATE MOUNTED ON SAID MACHINE ABOVE SAID MILL; ONE OF MORE SECOND HOPPERS EACH FOR HOLDING MATTER MOUNTED ON SAID MACHINE ABOVE SAID MILL; MEANS FOR RECEIVING A QUANTITY OF MATTER FROM EACH HOPPER FOR TRANSMITTING A PREDETERMINED MEASURED AMOUNT OF SAID RECEIVED MATTER INTO SAID MILL; AND FLUID CONTROLLED MEANS OPERABLY CONNECTED TO SAID MEASURING MEANS AND OPERABLE IN RESPONSE TO MOVEMENT OF SAID MACHINE FOR SELECTIVELY DISCHARGING THE MATTER FROM THE RESPECTIVE HOPPERS INTO SAID MILL IN A PREDETERMINED RELATIONSHIP.
Claim 2
Dependent Claim
107 words
APPARATUS FOR MAKING A SEAL COAT COMPRISING IN COMBINATION: A PORTABLE MACHINE; A PUG MILL MOUNTED ON SAID MACHINE; A FIRST HOPPER FOR HOLDING AN AGGREGATE MOUNTED ON SAID MACHINE ABOVE SAID MILL; ONE OF MORE SECOND HOPPERS EACH FOR HOLDING MATTER MOUNTED ON SAID MACHINE ABOVE SAID MILL; MEANS FOR RECEIVING A QUANTITY OF MATTER FROM EACH HOPPER FOR TRANSMITTING A PREDETERMINED MEASURED AMOUNT OF SAID RECEIVED MATTER INTO SAID MILL; AND FLUID CONTROLLED MEANS OPERABLY CONNECTED TO SAID MEASURING MEANS AND OPERABLE IN RESPONSE TO MOVEMENT OF SAID MACHINE FOR SELECTIVELY DISCHARGING THE MATTER FROM THE RESPECTIVE HOPPERS INTO SAID MILL IN A PREDETERMINED RELATIONSHIP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |